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Finding the Fourth Proportional to 1,024.83, 1,414.40 and 937.35

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Solution

The fourth proportional to 1,024.83, 1,414.40 and 937.35 is: 1,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.83 : 1,414.40 = 937.35 : x
  2. Step 2: Convert to fraction form
    1,024.83/1,414.40 = 937.35/x
  3. Step 3: Cross multiply
    1,024.83x = 1,414.40 × 937.35
  4. Step 4: Simplify right side
    1,024.83x = 1,325,783.15
  5. Step 5: Solve for x
    x = 1,325,783.15/1,024.83
  6. Step 6: Final answer
    x = 1,293.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.